<script setup lang="ts">
  import { computed, ref } from 'vue'
  import type { OrderPreResult } from '@/types/order'
  import { getMemberOrderPreAPI, getMemberOrderPreNowAPI, getMemberOrderRepurchaseByIdAPI, postMemberOrderAPI } from '@/services/order'
  import { onLoad } from '@dcloudio/uni-app';
  import { useAddressStore } from '@/stores/modules/address';

  // 获取屏幕边界到安全区域距离
  // const { safeAreaInsets } = uni.getSystemInfoSync()
  const { safeAreaInsets } = uni.getWindowInfo()

  // 订单备注
  const buyerMessage = ref('')
  // 配送时间
  const deliveryList = ref([
    { type: 1, text: '时间不限 (周一至周日)' },
    { type: 2, text: '工作日送 (周一至周五)' },
    { type: 3, text: '周末配送 (周六至周日)' },
  ])
  // 当前配送时间下标
  const activeIndex = ref(0)
  // 当前配送时间
  const activeDelivery = computed(() => deliveryList.value[activeIndex.value])
  // 修改配送时间
  const onChangeDelivery : UniHelper.SelectorPickerOnChange = (ev) => {
    activeIndex.value = ev.detail.value
  }

  // 页面参数
  const query = defineProps<{
    skuId ?: string
    count ?: string
    orderId?: string
  }>()

  // 获取订单信息
  const orderPre = ref<OrderPreResult>()
  const getMemberOrderPreData = async () => {
    // 是否有立即购买参数
    if (query.count && query.skuId) {
      // 调用立即购买 API
      const res = await getMemberOrderPreNowAPI({
        count: query.count,
        skuId: query.skuId,
      })
      orderPre.value = res.result
    } else if (query.orderId) {
      // 再次购买
      const res = await getMemberOrderRepurchaseByIdAPI(query.orderId)
      orderPre.value = res.result
    }
    else {
      // 调用预付订单 API (购物车结算)
      const res = await getMemberOrderPreAPI()
      orderPre.value = res.result
    }
  }

  onLoad(() => {
    getMemberOrderPreData()
  })

  const addressStore = useAddressStore()
  // 收货地址
  const selecteAddress = computed(() => {
    return addressStore.selectedAddress || orderPre.value?.userAddresses.find((v) => v.isDefault)
  })

  // 提交订单
  const onOrderSubmit = async () => {
    // 没有收货地址提醒
    if (!selecteAddress.value?.id) {
      return uni.showToast({ icon: 'none', title: '请选择收货地址' })
    }
    // 发送请求
    const res = await postMemberOrderAPI({
      addressId: selecteAddress.value?.id,
      buyerMessage: buyerMessage.value,
      deliveryTimeType: activeDelivery.value.type,
      goods: orderPre.value!.goods.map((v) => ({ count: v.count, skuId: v.skuId })),
      payChannel: 2,
      payType: 1,
    })
    // 关闭当前页面，跳转到订单详情，传递订单id
    uni.redirectTo({ url: `/pagesOrder/detail/detail?id=${res.result.id}` })
  }

</script>

<template>
  <scroll-view scroll-y class="viewport">

    <!-- 收货地址 -->
    <navigator v-if="selecteAddress" class="shipment" hover-class="none" url="/pagesMember/address/address?from=order">
      <view class="user"> {{ selecteAddress.receiver }} {{ selecteAddress.contact }} </view>
      <view class="address"> {{ selecteAddress.fullLocation }} {{ selecteAddress.address }} </view>
      <text class="icon icon-right"></text>
    </navigator>

    <navigator v-else class="shipment" hover-class="none" url="/pagesMember/address/address?from=order">
      <view class="address"> 请选择收货地址 </view>
      <text class="icon icon-right"></text>
    </navigator>

    <!-- 商品信息 -->
    <view class="goods">
      <navigator v-for="item in orderPre?.goods" :key="item.skuId" :url="`/pages/goods/goods?id=${item.id}`" class="item" hover-class="none">
        <image class="picture" :src="item.picture" />
        <view class="meta">
          <view class="name ellipsis"> {{ item.name }} </view>
          <view class="attrs">{{ item.attrsText }}</view>
          <view class="prices">
            <view class="pay-price symbol">{{ item.payPrice}}</view>
            <view class="price symbol">{{ item.price }}</view>
          </view>
          <view class="count">{{ item.count }}</view>
        </view>
      </navigator>
    </view>

    <!-- 配送及支付方式 -->
    <view class="related">
      <view class="item">
        <text class="text">配送时间</text>
        <picker :range="deliveryList" range-key="text" @change="onChangeDelivery">
          <view class="icon-fonts picker">{{ activeDelivery.text }}</view>
        </picker>
      </view>
      <view class="item">
        <text class="text">订单备注</text>
        <input class="input" :cursor-spacing="30" placeholder="选题，建议留言前先与商家沟通确认" v-model="buyerMessage" />
      </view>
    </view>

    <!-- 支付金额 -->
    <view class="settlement">
      <view class="item">
        <text class="text">商品总价: </text>
        <text class="number symbol">{{ orderPre?.summary.totalPrice.toFixed(2) }}</text>
      </view>
      <view class="item">
        <text class="text">运费: </text>
        <text class="number symbol">{{ orderPre?.summary.postFee.toFixed(2) }}</text>
      </view>
    </view>
  </scroll-view>

  <!-- 吸底工具栏 -->
  <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
    <view class="total-pay symbol">
      <text class="number">{{ orderPre?.summary.totalPayPrice.toFixed(2) }}</text>
    </view>
    <view class="button" :class="{ disabled: !selecteAddress?.id }" @tap="onOrderSubmit">
      提交订单
    </view>
  </view>
</template>

<style lang="scss">
  page {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    background-color: #f4f4f4;
  }

  .symbol::before {
    content: '¥';
    font-size: 80%;
    margin-right: 5rpx;
  }

  .shipment {
    margin: 20rpx;
    padding: 30rpx 30rpx 30rpx 84rpx;
    font-size: 26rpx;
    border-radius: 10rpx;
    background: url(https://pcapi-xiaotuxian-front-devtest.itheima.net/miniapp/images/locate.png) 20rpx center / 50rpx no-repeat #fff;
    position: relative;

    .icon {
      font-size: 36rpx;
      color: #333;
      transform: translateY(-50%);
      position: absolute;
      top: 50%;
      right: 20rpx;
    }

    .user {
      color: #333;
      margin-bottom: 5rpx;
    }

    .address {
      color: #666;
    }
  }

  .goods {
    margin: 20rpx;
    padding: 0 20rpx;
    border-radius: 10rpx;
    background-color: #fff;

    .item {
      display: flex;
      padding: 30rpx 0;
      border-top: 1rpx solid #eee;

      &:first-child {
        border-top: none;
      }

      .picture {
        width: 170rpx;
        height: 170rpx;
        border-radius: 10rpx;
        margin-right: 20rpx;
      }

      .meta {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        position: relative;
      }

      .name {
        height: 80rpx;
        font-size: 26rpx;
        color: #444;
      }

      .attrs {
        line-height: 1.8;
        padding: 0 15rpx;
        margin-top: 6rpx;
        font-size: 24rpx;
        align-self: flex-start;
        border-radius: 4rpx;
        color: #888;
        background-color: #f7f7f8;
      }

      .prices {
        display: flex;
        align-items: baseline;
        margin-top: 6rpx;
        font-size: 28rpx;

        .pay-price {
          margin-right: 10rpx;
          color: #cf4444;
        }

        .price {
          font-size: 24rpx;
          color: #999;
          text-decoration: line-through;
        }
      }

      .count {
        position: absolute;
        bottom: 0;
        right: 0;
        font-size: 26rpx;
        color: #444;
      }
    }
  }

  .related {
    margin: 20rpx;
    padding: 0 20rpx;
    border-radius: 10rpx;
    background-color: #fff;

    .item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      min-height: 80rpx;
      font-size: 26rpx;
      color: #333;
    }

    .input {
      flex: 1;
      text-align: right;
      margin: 20rpx 0;
      padding-right: 20rpx;
      font-size: 26rpx;
      color: #999;
    }

    .item .text {
      width: 125rpx;
    }

    .picker {
      color: #666;
    }

    .picker::after {
      content: '\e6c2';
    }
  }

  // /* 结算清单 */
  .settlement {
    margin: 20rpx;
    padding: 0 20rpx;
    border-radius: 10rpx;
    background-color: #fff;

    .item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 80rpx;
      font-size: 26rpx;
      color: #333;
    }

    .danger {
      color: #cf4444;
    }
  }

  // /* 吸底工具栏 */
  .toolbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: calc(var(--window-bottom));
    z-index: 1;

    background-color: #fff;
    height: 100rpx;
    padding: 0 20rpx;
    border-top: 1rpx solid #eaeaea;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: content-box;

    .total-pay {
      font-size: 40rpx;
      color: #cf4444;

      .decimal {
        font-size: 75%;
      }
    }

    .button {
      width: 220rpx;
      text-align: center;
      line-height: 72rpx;
      font-size: 26rpx;
      color: #fff;
      border-radius: 72rpx;
      background-color: #27ba9b;
    }

    .disabled {
      opacity: 0.6;
    }
  }
</style>
